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The role of the amygdala in the perception of positive emotions: an “intensity detector”

Overview of attention for article published in Frontiers in Behavioral Neuroscience, July 2015
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  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (91st percentile)
  • High Attention Score compared to outputs of the same age and source (90th percentile)

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29 X users

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Title
The role of the amygdala in the perception of positive emotions: an “intensity detector”
Published in
Frontiers in Behavioral Neuroscience, July 2015
DOI 10.3389/fnbeh.2015.00178
Pubmed ID
Authors

Louise Bonnet, Alexandre Comte, Laurent Tatu, Jean-Louis Millot, Thierry Moulin, Elisabeth Medeiros de Bustos

Abstract

The specific role of the amygdala remains controversial even though the development of functional imaging techniques has established its implication in the emotional process. The aim of this study was to highlight the sensitivity of the amygdala to emotional intensity (arousal). We conducted an analysis of the modulation of amygdala activation according to variation in emotional intensity via an fMRI event-related protocol. Monitoring of electrodermal activity, a marker of psychophysiological emotional perception and a reflection of the activation of the autonomic nervous system, was carried out concurrently. Eighteen subjects (10 men; aged from 22 to 29 years) looked at emotionally positive photographs. We demonstrated that the left and right amygdalae were sensitive to changes in emotional intensity, activating more in response to stimuli with higher intensity. Furthermore, electrodermal responses were more frequent for the most intense stimuli, demonstrating the concomitant activation of the autonomic nervous system. These results highlight the sensitivity of the amygdala to the intensity of positively valenced visual stimuli, and in conjunction with results in the literature on negative emotions, reinforce the role of the amygdala in the perception of intensity.

X Demographics

X Demographics

The data shown below were collected from the profiles of 29 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 186 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 <1%
Portugal 1 <1%
Unknown 184 99%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 37 20%
Student > Bachelor 25 13%
Student > Master 19 10%
Researcher 15 8%
Professor 11 6%
Other 27 15%
Unknown 52 28%
Readers by discipline Count As %
Psychology 43 23%
Neuroscience 30 16%
Agricultural and Biological Sciences 12 6%
Medicine and Dentistry 7 4%
Biochemistry, Genetics and Molecular Biology 5 3%
Other 26 14%
Unknown 63 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 18. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 October 2023.
All research outputs
#1,898,282
of 24,631,014 outputs
Outputs from Frontiers in Behavioral Neuroscience
#308
of 3,376 outputs
Outputs of similar age
#23,729
of 267,235 outputs
Outputs of similar age from Frontiers in Behavioral Neuroscience
#10
of 93 outputs
Altmetric has tracked 24,631,014 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 92nd percentile: it's in the top 10% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 3,376 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 12.5. This one has done particularly well, scoring higher than 90% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 267,235 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 91% of its contemporaries.
We're also able to compare this research output to 93 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 90% of its contemporaries.